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KOEHLER MFG CO

Overview
  • Total Patents
    166
About

KOEHLER MFG CO has a total of 166 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are LIU YUN-ZHAO, KOEHLER BRIGHT STAR INC and WITTE WALDEMAR.

Patent filings in countries

World map showing KOEHLER MFG COs patent filings in countries

Patent filings per year

Chart showing KOEHLER MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grant Wheat 23
#2 Gulliksen John E 17
#3 Lozeau Homer A 16
#4 Guimond Roy A 14
#5 Gulliksen John Eric 11
#6 Sundberg Erik G 7
#7 Kreidl Ekkehard L 6
#8 Reed Nanci W 6
#9 Davis Arthur G 5
#10 Wheat Grant 5

Latest patents

Publication Filing date Title
US4438483A Utility handlamp and charging component means therefor
ZA8201992B A tubular positive plate for use in a lead-acid storage battery
US4428039A Safety lamp apparatus including means for preventing accidental breakage of a bulb member
EP0089427A1 A tubular positive plate for use in a lead-acid storage battery
DK117082A Pipe-positive positive electrode for use in a lead-acid accumulator battery
ZA8107847B Battery operated luminaire with emergency switching means
AU7741281A Portable lamp with emergency switching
AU7730181A Portable lighting device with two bulbs
US4508801A Lead acid battery with self-registering grid complement and methods of making and operating same
EP0051349A1 A lead - acid battery construction
US4351889A Tubular bodies for use in a positive plate of a lead-acid storage battery
US4411969A Battery construction characterized by reactively limited gridless electrode means, and methods of making and operating same
GB2075169A Mechanically displaceable holder in particular for luminaire apparatus with multiple light sources
ZA8102764B Luminaire apparatus with multiple light sources
US4359509A Tubular positive electrode means for use in lead-acid storage batteries including shaped grid structure and self-registering grid complement means therefor
US4373178A Methods and apparatus for controlling reflected light
US4338655A Luminaire apparatus including expansible reflector means and method of reflecting radiant energy to provide a spot to flood configuration
US4386391A Luminaire apparatus with multiple light sources including method and means for switching and adjusting focus of the light sources
ES8105194A1 A textured tubular body for use in a tubular storage battery plate and a method of making that body.
US4317162A Battery operated luminaire with emergency switching means